Multiple Choice
Neutral hydrogen atoms are best studied from their energy given off as
A) 121.3 nm as Lyman alpha emission in the UV.
B) red hydrogen alpha emission, at 656.3 nm.
C) 0.2 nm as X- rays.
D) 21- cm waves in the radio region.
E) Neutral hydrogen gives off no detectable radiation, since it is cold, not hot.
Correct Answer:
Verified
Correct Answer:
Verified
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